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The LG G4 was released in the US in early June 2015, as always focusing on high-end specifications and a refined fashion sense that makes it stand out in the premium smartphone market. Each version of the phone will have a different model number based on if it is sold by a carrier or unlocked (US or International). Some LG G4's are known to have bootloop problems.

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I have bad reception. How do I replace the antenna

Hi. I have been having really bad reception with my LG G4 recently. Calls sometimes drop but I mostly have issues with texted and mobile date losing signal or not sending or receiving. Does anyone know where the antenna is located and how to fix it?

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DiffuseMAVERICK , From a lot of forums I have read it is probably not a antenna issue. You may want to check through the links below before cracking open your phone to check the antenna.

Wi-Fi Issues- Potential solutions: From digital Trends link below.

You should always start with the easiest potential fix, which is to turn your router off and turn your phone off and then turn them both back on again.

Now try going to Settings > Wi-Fi and long press on the network you are trying to connect to, then tap Forget and set the connection up anew.

Take a look in Settings > General > Battery & power saving and check that Battery saver isn’t interfering with your Wi-Fi.

Check in Settings > General > Smart Functions > Smart Settings and make sure nothing in here is interfering with your Wi-Fi.

If you’re connecting to the 2.4GHz band then try 5GHz instead and vice versa.

Download and install Wifi Analyzer and check how busy your channels are. You may need to switch to a less crowded channel.

Check in with your ISP or router manufacturer and make sure that your router firmware is up to date.

If all above fails you have an option to performing a“wipe cache partition” see link #2 or a factory reset(will lose all data not backed up).

Turn off the LG G4

At the same time, hold the power off, volume up and the home button

After a few seconds, the LG G4 will vibrate once and the recovery mode is started

Search for the entry called “wipe cache partition” and start it

After a few minutes the process is complete and you can restart the LG G4 with “reboot system now”

Hard/Factory reset:

Turn on the LG G4.

Once you get to the Home Screen go to Menu and then to Settings.

Select Backup & reset and then Reset device.

To confirm your choice select Erase everything.

Last link, tear down guide will show you how to open phone to check antenna, at step 4, 2nd picture. Good luck.

I hope this helped you out, if so let me know by pressing the helpful button.

LG G4 Teardown

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The question was about dropping calls not WIFI. I have someone with the same problem. None of the solutions that you gave were for cellular service


I know this has been awhile. I never got a notification. But yes my question was about Cell Signal and mobile data and not wifi. I have already done all the above that doesn't have to do with wifi


I have the same problem . I got lost for a minute about the router, but he did not answer your question. I don't even get good signal out side. My phone freezes up. Won't respond, can't answer calls, sometimes the notifaction shows up in tool bar, sometimes it shows how many texts I have on the icons. The screen doesn't always show who's calling. The font size changes for now reason. I've only had this phone since October of 2018. I don't abuse it, it's never been wet, hasn't been dropped hard. But my friend has one to and hers is awsome. That's why I got mine.


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Hi @ countrygirl_45,

Start phone in safe mode and check its’ performance. If it is OK then a downloaded app is the cause of the problem. The trick is to find out which one.

If still no good in safe mode, back up your phone, factory restore the phone and check if it works OK.

Check in Settings how to backup, factory restore and restore the phone

Be aware that a factory restore will erase all your data and downloaded apps, that is why it's important to do a backup first!

If it still doesn't work properly in factory default mode, as it is still under warranty, return it for a replacement or refund.

if it works OK, restore phone using the backup you made, and check the phone again.

If it now works Ok then the reset has resolved the problem

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That’s often a early warning the phone is going to bootloop soon — at least that was the first thing on mine as it got progressively worse. I also have AT&T for now (I had an AT&T SKU G4) and used it at the time so I assumed it was AT&T being terrible in my area again; I was dead wrong. The phone died with ZERO warning when it got the point it was significantly worse. Yes, I did use it again and found it was the phone but didn’t correlate the bootloop issue to bad signal despite knowing well in advance it’s a known problem.

I got lucky and seen my data again, but take this as a warning to brace for failure. This is your early warning on the G4’s to backup your stuff while there’s time before resorting to measures that make people question your sanity (as was the case with me when I heated mine up with a hairdryer). I would grab your data NOW and then migrate it to a new phone while there’s time and then use it as a PDA until it dies.

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For reference, the issue got worse over the course of 1 month and it was dead not long after. Radio issue was severe enough to get information here on 7/10/17 and the phone was dead on 8/28/17.

I had to figure it out and give everyone here the information to recover it as I didn't get any help and it was time sensitive because I didn't know how long I had or if it would eventually become unrecoverable.


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